NOCO GEN5X2 Dual Bay On-Board Battery Charger The NOCO GEN5X2 is a state-of-the-art battery maintenance machine! It can be installed on marine vessels to provide 5A charge and advanced diagnostics to two on-board batteries 24/7. The GEN5X2 monitors the performance of your on-board battery to diagnose basic issues like power drain as well as long-term battery deterioration effects such as sulfate buildup and acid stratification. To extend your battery's service life, the GEN5X2 can administer periodic recharging or maintenance charging, with the incredible added ability of desulfating batteries and reversing acid stratification. Its charging, maintenance, and extension of battery life make the GEN5X2 all-in-one on-board battery charger and maintenance unit one of the best available for marine vessels today.